It may also be because they are bengals. I've heard they are more lively.

The Feliway is the same pharamone cats excude when they rub their heads on things. It's a calming pharamone they create...

We have the plug in, so there is always "calm" in the air. We also got the spray, so we could spray his closet, or new items...and, the cats!

The Rescue Remedy is just a mix of herbs and stuff you add to their water. I would imagine it works like camomile tea.

I guess I used the wrong word above, not agressive, just "excited"? Does that fit better?